19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Copyright (C) 2006 The Android Open Source Project 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the "License"); 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * you may not use this file except in compliance with the License. 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * You may obtain a copy of the License at 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Unless required by applicable law or agreed to in writing, software 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * See the License for the specific language governing permissions and 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * limitations under the License. 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpackage android.view; 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.Context; 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.ContextWrapper; 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectimport android.content.res.Resources; 22b35cd54b88292bd6cf0387406ad9071f5475c6a7Dianne Hackbornimport android.os.Build; 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/** 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * A ContextWrapper that allows you to modify the theme from what is in the 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * wrapped context. 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpublic class ContextThemeWrapper extends ContextWrapper { 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Context mBase; 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private int mThemeResource; 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private Resources.Theme mTheme; 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private LayoutInflater mInflater; 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ContextThemeWrapper() { 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(null); 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project public ContextThemeWrapper(Context base, int themeres) { 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super(base); 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBase = base; 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mThemeResource = themeres; 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override protected void attachBaseContext(Context newBase) { 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project super.attachBaseContext(newBase); 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mBase = newBase; 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override public void setTheme(int resid) { 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mThemeResource = resid; 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initializeTheme(); 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 54247fe74c934cb3fba85aae7e051a8044f460fb11Dianne Hackborn /** @hide */ 55247fe74c934cb3fba85aae7e051a8044f460fb11Dianne Hackborn @Override 56247fe74c934cb3fba85aae7e051a8044f460fb11Dianne Hackborn public int getThemeResId() { 57247fe74c934cb3fba85aae7e051a8044f460fb11Dianne Hackborn return mThemeResource; 58247fe74c934cb3fba85aae7e051a8044f460fb11Dianne Hackborn } 59247fe74c934cb3fba85aae7e051a8044f460fb11Dianne Hackborn 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override public Resources.Theme getTheme() { 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mTheme != null) { 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTheme; 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 65d922ae01ca99a2b6d39a9393f86776a1d10ebd14Dianne Hackborn mThemeResource = Resources.selectDefaultTheme(mThemeResource, 66d922ae01ca99a2b6d39a9393f86776a1d10ebd14Dianne Hackborn getApplicationInfo().targetSdkVersion); 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project initializeTheme(); 689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mTheme; 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project @Override public Object getSystemService(String name) { 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (LAYOUT_INFLATER_SERVICE.equals(name)) { 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (mInflater == null) { 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mInflater = LayoutInflater.from(mBase).cloneInContext(this); 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mInflater; 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return mBase.getSystemService(name); 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project /** 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * Called by {@link #setTheme} and {@link #getTheme} to apply a theme 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * resource to the current Theme object. Can override to change the 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * default (simple) behavior. This method will not be called in multiple 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * threads simultaneously. 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param theme The Theme object being modified. 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param resid The theme style resource being applied to <var>theme</var>. 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * @param first Set to true if this is the first time a style is being 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project * applied to <var>theme</var>. 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project */ 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project protected void onApplyThemeResource(Resources.Theme theme, int resid, boolean first) { 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project theme.applyStyle(resid, true); 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project private void initializeTheme() { 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project final boolean first = mTheme == null; 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (first) { 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTheme = getResources().newTheme(); 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project Resources.Theme theme = mBase.getTheme(); 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (theme != null) { 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project mTheme.setTo(theme); 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project onApplyThemeResource(mTheme, mThemeResource, first); 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 110